
Best selling Surge protection from Finder
Here you’ll find the best products from Finder in the Surge protection category. The ranking is based on the best-selling products from this brand within the category. In addition to sales volume, factors such as availability, pricing, and overall customer relevance also influence the order. For each product, we include a short description and the most important highlights from customer reviews, giving you a quick overview of the most popular Finder options. This page always stays fresh and updates automatically.
1. Finder Surge arrester Ü
Type 2 surge protectors or SPDs (surge protective devices) are installed in electrical distribution networks to protect people, systems, and devices from unacceptable, short, pulsed overvoltages. They can be used in network systems between L-N and L-PEN. A fault indication is provided by a red signal in the viewing window. The status is reported back via a potential-free changeover switch using a plug included in the accessory package.

2. Finder SPD type 2, 3-phase, varistors
Surge Protective Devices (SPD)
Mounting type: DIN rail TH35
With remote contact: no
Number of conductors (excluding ground): 3
Size: 3 TE
Maximum continuous voltage AC: 275 V
Nominal discharge current (8/20): 20 kA
Nominal voltage AC: 230 V
Test class Type 2: yes
Protection level L-N: 1.35 kV
Device signaling: optical
Maximum continuous voltage DC: 350 V
Protection class (IP): IP20
Protection level N-PE: 1.35 kV
Integrated pre-fuse: no
Network type DC: no
Network type IT: no
Network type TN: yes
Network type TN-C: yes
Network type TN-S: no
Network type TT: no
Other network types: no
Network type TN-C-S: yes
Max. discharge current (8/20): 40 kA
Short-circuit withstand strength (Isccr): 50 kA.

3. Finder Combination arrestor type 1+2 for three-phase TN-S networks
Surge protective devices (SPD)
Mounting type: DIN rail TH35
With remote signaling contact: yes
Number of conductors (excluding ground): 4
Size: 8 TE
Maximum continuous voltage AC: 260 V
Nominal discharge current (8/20): 30 kA
Nominal voltage AC: 230 V
Test class Type 2: no
Protection level L-N: 1.5 kV
Device signaling: optical
Protection class (IP): IP20
Protection level N-PE: 1.5 kV
Integrated pre-fuse: no
DC network type: no
IT network type: no
TN network type: no
TN-C network type: no
TN-S network type: yes
TT network type: no
Other network type: no
TN-C-S network type: no
Max. discharge current (8/20): 60 kA
Short-circuit strength (Isccr): 50 kA.

Finder Combination arrestor type 1+2 for three-phase TN-S networks
4. Finder SPD type 2+3, data line
The Finder Type 2+3 surge protector is a reliable solution for protecting RS485 data lines as well as telecommunications and other bus lines. With a width of just 6 mm, this device is designed for mounting on a DIN rail and provides effective protection against surges. Equipped with three diodes and a spark gap, the protector ensures a high level of protection and can handle surge currents of up to 5 kA. The protection level of 12 V and the rated voltage of 6 V make it an ideal choice for sensitive electronic systems. The IP20 protection rating ensures that the device can be used in dry indoor environments, while its compact design allows for easy integration into existing systems.
- Mounting on DIN rail for easy installation
- Protection against surges in data and telecommunications lines
- High surge current capacity of 5 kA
- IP20 protection rating for use in dry indoor environments.

5. Finder 7P.03.8.255.Z007 Combination arrestor type 1+2 for three-phase TN-C networks
The Finder 7P.03.8.255.Z007 is a combined surge arrester of type 1+2, specifically designed for three-phase TN-C networks. This device provides effective lightning and surge protection and is suitable for installation in the pre-meter area at the interface between zones LPZ 0 and LPZ 1. With a maximum lightning impulse current capacity of 7.5 kA per path, the combined arrester ensures reliable discharge of lightning currents. The 4-wire system includes phases L1, L2, L3, as well as the PEN conductor. The replaceable modules allow for easy maintenance and adjustment, while the optical fault indicator enables quick checking of the device's status. The combined arrester is also equipped with a module holding system and offers an overcurrent-protected 230 V power supply that meets the requirements of VDE-AR-N 4100.
- Maximum lightning impulse current of 7.5 kA per path
- Replaceable modules for easy maintenance
- Optical fault indicator for quick fault detection
- Suitable for installation in the pre-meter area
- Overcurrent-protected power supply according to VDE-AR-N 4100.

Finder 7P.03.8.255.Z007 Combination arrestor type 1+2 for three-phase TN-C networks
6. Finder Surge arrester Ü
Series of surge protective devices, from lightning protection to equipment fine protection in the 230/400 V network and for photovoltaic systems. Can be used according to the principles of surge protection EN 62305 in zones LPZ 1, LPZ 2, or LPZ 3. Complies with EN 61643-11, requirements for surge protective devices for use in low-voltage installations. Available as a base unit with interchangeable, factory-coded modules to prevent incorrect assembly or as a compact device. Varistor failure indication via "red" in the viewing window. For mounting rail EN 60715 TH35.

7. Finder Surge arrester s
The Finder 7P.20.8.275.0020 is a pluggable varistor protection module designed as a replacement for surge protectors. This module provides effective protection against overvoltages and is specifically coded for use with the base modules of the 7P series. With a testing class of Type 2, it ensures reliable performance and safety in electrical installations. The protection level of 1.25 volts and a rated voltage of 275 volts make it a suitable choice for various applications. The module is easy to install and offers a high rated surge current capacity of 20 kA, making it a robust solution for protection against lightning and surge events. With an IP20 protection rating, it is suitable for use in dry indoor environments and provides long-lasting and reliable performance.
- Pluggable varistor protection module for easy installation
- Testing class Type 2 for enhanced safety
- Rated surge current and lightning surge current of 20 kA
- IP20 protection rating, suitable for dry indoor environments.

8. Finder SPD type 2, 1-phase, varistor+spark plug
Surge protective devices (SPD)
Mounting type: TH35 rail
With remote signaling contact: no
Number of conductors (excluding ground): 2
Size: 2 TE
Maximum continuous voltage AC: 275 V
Nominal discharge current (8/20): 20 kA
Nominal voltage AC: 230 V
Test class Type 2: yes
Protection level L-N: 1.35 kV
Device signaling: optical
Protection class (IP): IP20
Protection level N-PE: 1.5 kV
Integrated pre-fuse: no
Network type DC: no
Network type IT: no
Network type TN: no
Network type TN-C: no
Network type TN-S: yes
Network type TT: yes
Other network types: no
Network type TN-C-S: no
Max. discharge current (8/20): 40 kA
Short-circuit strength (Isccr): 50 kA.

9. Finder 7P.04.8.255.Z007 Combination arrestor type 1+2 for three-phase TN-S and TT systems
The Finder 7P.04.8.255.Z007 combination surge arrester is a highly advanced device specifically designed for lightning and surge protection in three-phase TN-S and TT networks. This combination arrester provides an effective solution for diverting lightning currents of up to 7.5 kA per pole and is suitable for installation in the pre-meter area at the interface between zones LPZ 0 and LPZ 1. With a 5-wire system that includes L1, L2, L3, N, and PE, it ensures comprehensive protection against surges. The replaceable modules and optical fault indication allow for easy maintenance and monitoring of the device. Additionally, the combination arrester is equipped with an overcurrent-protected 230 V power supply system that meets the requirements of VDE-AR-N 4100. Its compact design and IP20 protection rating make it a practical choice for various applications.
- Lightning impulse current of 7.5 kA per path
- Nominal discharge surge current of 20 kA
- Replaceable modules for easy maintenance
- Optical fault indication for monitoring
- Suitable for installation in pre-meter areas.

Finder 7P.04.8.255.Z007 Combination arrestor type 1+2 for three-phase TN-S and TT systems
10. Finder Combination arrestor type 1+2 for three-phase TN-S and TT networks
Type 1+2 surge protective device for 40 mm busbars, 7.5 kA per path, 5-wire system, L1, L2, L3, N, PE, replaceable module, optical fault indication, module holding system, suitable for 40 mm busbars, designed for the discharge of lightning currents up to 7.5 kA per pole. Installation in the pre-meter area at the interface of zones LPZ 0 to LPZ 1, particularly in main switchgear before measuring devices.
